concealment writes: "But Sanchez said underground blogs, digital portals and illicit e-magazines proliferate, passed around on removable computer drives known as memory sticks.. The small computer memories, also known as flash drives or thumb drives, are dropped into friendly hands on buses and along street corners, offering a surprising number of Cubans access to information.

“Information circulates hand to hand through this wonderful gadget known as the memory stick,” Sanchez said, “and it is difficult for the government to intercept them. I can’t imagine that they can put a police officer on every corner to see who has a flash drive and who doesn’t.”